# -*- coding: utf-8 -*-
import time
import hashlib

def datetime_timestamp(dt):
    time.strptime(dt, '%Y-%m-%d %H:%M:%S')
    s = time.mktime(time.strptime(dt, '%Y-%m-%d %H:%M:%S'))
    return int(s)

print ("Welcome to use byte keygen")
print ("\n")
print ("Please enter today's date(format: yyyy-mm-dd): \n")

time1 = raw_input()+" 00:00:00"
time2 = "1995-12-14 00:00:00"
timestamp1 = datetime_timestamp(time1)
timestamp2 = datetime_timestamp(time2)
timestamp = timestamp1 - timestamp2
string = str(timestamp) + "byte_org"
md5 = hashlib.md5(string.encode('utf-8')).hexdigest()
print (md5[0:16])





